Finding the Fourth Proportional to 94,161.26, 129,944.58 and 51,722.12
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Solution
The fourth proportional to 94,161.26, 129,944.58 and 51,722.12 is: 71,377.65
Step by Step Solution
- Step 1: Write the proportion equation
94,161.26 : 129,944.58 = 51,722.12 : x - Step 2: Convert to fraction form
94,161.26/129,944.58 = 51,722.12/x - Step 3: Cross multiply
94,161.26x = 129,944.58 × 51,722.12 - Step 4: Simplify right side
94,161.26x = 6,721,009,160.11 - Step 5: Solve for x
x = 6,721,009,160.11/94,161.26 - Step 6: Final answer
x = 71,377.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.